Number
Evaluate: 4^2 - \dfrac{3}{4}
Evaluate: 4^2 - \dfrac{3}{4}
Solve for x: 4x - 7 = 21
x=7
Find the mean of the set: 6, 9, 12, 9
9
A regular pentagon has side length 5 cm. Calculate its perimeter.
25 cm
Calculate simple interest: \$350 at 2% annual interest for 1 year.
$7
Calculate: (-4) \times \dfrac{3}{8} + 2
\dfrac{1}{2} or 0.5
Identify the slope and y-intercept of y = -4x + 6
Slope = -4, y-intercept = 6
Given data: 4, 7, 3, 7, 9. Find mode and median
Mode = 7, Median
A parallelogram has base 7 cm and height 4 cm. Find its area.
28 cm²
A jacket costs \$75. It is 30% off. What is the sale price?
\$52.50
Simplify and evaluate: 3^0 + \left(\dfrac{1}{3}\right)^{-1} - 2^2
0
Solve: 3(2x - 5) = 21
x=6
Calculate the range: 11, 5, 18, 9, 14
13
A triangle has base 12 cm and height 7 cm. Calculate its area.
42 cm²
You save \$65 every week. How much do you save in 8 weeks?
\$520
Simplify using exponent rules: \dfrac{2^5 \times 3^4}{2^2 \times 3^2}
2^3 \times 3^2 = 72
A line passes through (0, -3) and has a slope of \dfrac{1}{2}. Write its equation.
y=\dfrac{1}{2}x-3
The marks of 6 students: 62, 75, 70, 81, 75, 87. Find mean and median.
Mean = 75, Median = 75
A circle has radius 6 cm. Find its circumference and area (in terms of \pi).
Circumference = 12\pi cm, Area = 36\pi cm²
Deposit \$420 with 4% annual simple interest. Find the total amount after 3 years.
\$470.40
Three-quarters of a number minus 6 equals 9. Find the unknown number.
20
Find the intersection point of y=2x-3 and y=-x+6
(3, 3)
Weekly study time: 1.5h, 2h, 2.5h, 3h. Predict the study time for the 5th week. Explain the trend.
3.5 hours (increasing by 0.5 hours each week)
The two legs of a right triangle are 5 cm and 12 cm. Find the hypotenuse.
13 cm
A laptop costs \$780. You save \$65 each month. How many full months do you need to save enough money?
12 months